aboutsummaryrefslogtreecommitdiffstats
path: root/libswscale
diff options
context:
space:
mode:
authorMichael Niedermayer <michael@niedermayer.cc>2016-01-14 15:11:48 +0100
committerMichael Niedermayer <michael@niedermayer.cc>2016-01-15 17:23:55 +0100
commitf0b6705e1a76b5eca07fe4b365c3d138860b05a2 (patch)
tree3b019bee955d5b13c7d959db2d7ad9ff3bc06be4 /libswscale
parent1ba90ce49e278298e0c8e8f59428edb5359e4e5d (diff)
downloadffmpeg-f0b6705e1a76b5eca07fe4b365c3d138860b05a2.tar.gz
swscale/utils: Detect and skip unneeded sws_setColorspaceDetails() calls
This avoids running various table inits unnecessarily Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> (cherry picked from commit cc538e9dbd14b61d1ac8c9fa687d83289673fe90) Conflicts: libswscale/utils.c
Diffstat (limited to 'libswscale')
-rw-r--r--libswscale/utils.c22
1 files changed, 18 insertions, 4 deletions
diff --git a/libswscale/utils.c b/libswscale/utils.c
index 5380f3fd57..0c07939173 100644
--- a/libswscale/utils.c
+++ b/libswscale/utils.c
@@ -825,8 +825,6 @@ int sws_setColorspaceDetails(struct SwsContext *c, const int inv_table[4],
const AVPixFmtDescriptor *desc_dst;
const AVPixFmtDescriptor *desc_src;
int need_reinit = 0;
- memmove(c->srcColorspaceTable, inv_table, sizeof(int) * 4);
- memmove(c->dstColorspaceTable, table, sizeof(int) * 4);
handle_formats(c);
desc_dst = av_pix_fmt_desc_get(c->dstFormat);
@@ -837,11 +835,24 @@ int sws_setColorspaceDetails(struct SwsContext *c, const int inv_table[4],
if(!isYUV(c->srcFormat) && !isGray(c->srcFormat))
srcRange = 0;
+ if (c->srcRange != srcRange ||
+ c->dstRange != dstRange ||
+ c->brightness != brightness ||
+ c->contrast != contrast ||
+ c->saturation != saturation ||
+ memcmp(c->srcColorspaceTable, inv_table, sizeof(int) * 4) ||
+ memcmp(c->dstColorspaceTable, table, sizeof(int) * 4)
+ )
+ need_reinit = 1;
+
+ memmove(c->srcColorspaceTable, inv_table, sizeof(int) * 4);
+ memmove(c->dstColorspaceTable, table, sizeof(int) * 4);
+
+
+
c->brightness = brightness;
c->contrast = contrast;
c->saturation = saturation;
- if (c->srcRange != srcRange || c->dstRange != dstRange)
- need_reinit = 1;
c->srcRange = srcRange;
c->dstRange = dstRange;
@@ -856,6 +867,9 @@ int sws_setColorspaceDetails(struct SwsContext *c, const int inv_table[4],
c->dstFormatBpp = av_get_bits_per_pixel(desc_dst);
c->srcFormatBpp = av_get_bits_per_pixel(desc_src);
+ if (!need_reinit)
+ return 0;
+
if (!isYUV(c->dstFormat) && !isGray(c->dstFormat)) {
ff_yuv2rgb_c_init_tables(c, inv_table, srcRange, brightness,
contrast, saturation);